Guides
Straight answers to the questions people actually arrive with: how to open a file format you don't have the software for, how to convert between them, and how to get work done without signing up for anything.
How to open a .docx file without Microsoft Word
Three free ways to open a .docx file when you do not have Microsoft Word — in your browser, in a free desktop app, or by converting it. No account needed.
How to convert Excel to CSV, free and online
Convert an .xlsx spreadsheet to CSV for free, in your browser, with no upload and no account. Includes what CSV loses and how to avoid the common pitfalls.
How to make a presentation without PowerPoint
Build and present a slide deck free, with no PowerPoint licence and no account. Covers browser tools, free alternatives, and exporting to .pptx.
What is a .pptx file, and how do you open one?
A .pptx is a PowerPoint presentation stored as a ZIP of XML files. Here is what that means, and every free way to open one without PowerPoint.
How to edit documents online without creating an account
Every major online editor wants you to sign up first. Here is how to write, calculate and present online with no account, no email and no upload.
Free alternatives to Google Docs that do not need a sign-in
Google Docs is free but requires a Google account and uploads your documents. Here are the alternatives that need neither, and how they compare.
The tools these guides use
All free, no account, and nothing is uploaded.